<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <script src="jquery.js" charset="utf-8"></script>
  <script src="http://localhost:8080/socket.io/socket.io.js" charset="utf-8"></script>
  <script type="text/javascript">
    $(function(){
      let sock=io.connect('ws://localhost:8080/');
      sock.emit('abc',1,2,3);
      sock.on('t',function(time){
        console.log(time);
      })
    });
  </script>
  <title>socket</title>
</head>
<body>
</body>
</html>
